144 same spec blades per pack. For precise internal and external cutting of irregular shapes and straight cut off applications in all types of sheet materials. Regular Tooth for medium smooth finish. Ideal for use in spring tension scroll saws such as Delta 24in., Powermatic 24in., Sprunger, Shopsmith and imported spring tension scroll saws under various trade names. The .100″ and narrower width blades can also be used in parallel and C-arm scroll saws.